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fzus63 kmqt 061954
glfls 
expires:202008070400;;035964

open lake forecast for lake superior
national weather service marquette mi
354 pm edt thu aug 6 2020

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...a 30.1 inch ridge of high pressure over lower michigan
tonight will expand eastward into new england on friday. this 
will enable slight ridging of around 30.0 inches across lake 
superior through at least saturday morning. on saturday afternoon
a 29.8 inch trough will lift northeastward from the dakotas into 
northern ontario, while a 29.9 inch trough moves across lake 
superior into sunday. a trough of around 29.7 inches will approach 
the upper great lakes from the west monday. weak ridging at 29.9 
inches briefly follows into the upper great lakes on tuesday.


lsz162-070400-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
354 pm edt thu aug 6 2020 /254 pm cdt thu aug 6 2020/

.late this afternoon...southeast winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...southeast winds 5 to 15 knots veering south after
midnight. waves calm to 2 feet. 
.friday...south winds 5 to 15 knots becoming southeast 10 to
20 knots in the afternoon, then becoming east 5 to 15 knots late.
a slight chance of showers and thunderstorms by mid afternoon.
waves calm to 2 feet. 
.friday night...southeast winds 5 to 15 knots veering south after
midnight, then increasing to 10 to 20 knots late. a chance of
showers and thunderstorms. waves calm to 2 feet. 
.saturday...southwest winds 10 to 20 knots. showers likely
through early afternoon. a chance of thunderstorms. a slight
chance of showers by mid afternoon. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 
.saturday night...west winds 5 to 15 knots. waves calm to 2 feet.
.sunday...south winds 5 to 15 knots becoming east 10 to 20 knots
by mid afternoon. waves calm to 2 feet. 
.sunday night...southeast winds 5 to 15 knots veering west after
midnight. a chance of showers and thunderstorms. waves calm to
2 feet. 
.monday...west winds 10 to 20 knots. waves building to 1 to
3 feet. 
.tuesday...southwest winds 10 to 20 knots veering west. waves
subsiding to calm to 2 feet. 

$$
fzus63 kmqt 061954
glfls 
expires:202008070400;;035965

open lake forecast for lake superior
national weather service marquette mi
354 pm edt thu aug 6 2020

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...a 30.1 inch ridge of high pressure over lower michigan
tonight will expand eastward into new england on friday. this 
will enable slight ridging of around 30.0 inches across lake 
superior through at least saturday morning. on saturday afternoon
a 29.8 inch trough will lift northeastward from the dakotas into 
northern ontario, while a 29.9 inch trough moves across lake 
superior into sunday. a trough of around 29.7 inches will approach 
the upper great lakes from the west monday. weak ridging at 29.9 
inches briefly follows into the upper great lakes on tuesday.


lsz263-070400-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
354 pm edt thu aug 6 2020

.late this afternoon...southwest winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...south winds 5 to 15 knots veering southwest late.
waves calm to 2 feet. 
.friday...south winds 5 to 15 knots increasing to 10 to 20 knots
in the afternoon, then becoming southeast 5 to 15 knots late.
waves calm to 2 feet. 
.friday night...south winds 5 to 15 knots increasing to 10 to
20 knots late. a chance of showers and thunderstorms. waves calm
to 2 feet. 
.saturday...southwest winds 10 to 20 knots. showers likely
through early afternoon. a chance of thunderstorms. a chance of
showers by mid afternoon. waves building to 1 to 3 feet. 
.saturday night...southwest winds 10 to 20 knots becoming west
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...south winds 10 to 20 knots veering west after
midnight. a chance of showers and thunderstorms. waves calm to
2 feet. 
.monday...west winds 10 to 20 knots. waves building to 2 to
4 feet. 
.tuesday...southwest winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet. 

$$

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